SOLUTION: can you please help me? Which of the lists of three lengths cannot form a triangle? a. 2, 2, 5 b. 2, 5, 5 c. 2, 2, 2 d. 5, 5, 5

Question 200177: can you please help me?
Which of the lists of three lengths cannot form a triangle?
a. 2, 2, 5
b. 2, 5, 5
c. 2, 2, 2
d. 5, 5, 5
Found 2 solutions by Alan3354, solver91311:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
can you please help me?
Which of the lists of three lengths cannot form a triangle?
a. 2, 2, 5
b. 2, 5, 5
c. 2, 2, 2
d. 5, 5, 5
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It's a. The side that's 5 is more than the sum of 2 and 2, so if they're end to end, they can't connect to the ends of the side that's 5.
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email me via the thank you note if you want further info on this.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

If the sum of the two shorter sides is less than or equal to the longer side, then you cannot have a triangle.

John

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